docs: def get_gnupg_components(sp=subprocess):
      """Parse GnuPG components' paths."""
      args = [util.which('gpgconf'), '--list-components']
      output = check_output(args=args, sp=sp)
      components = dict(re.findall('(.*):.*:(.*)', output.decode('utf-8')))
      log.debug('gpgconf --list-components: %s', components)
      return components